A DNA-based security solution using aggregated chaos cross and cubic map. - Zeeshan Ahmad; Hafiz Umar; Chuandong Li 001; Ling Chen 010 (Int. Arab J. Inf. Technol., 2016)

University Library Websites in Nigeria: An Analysis of Content. - Abubakar Mohammed; Aminu Garba; Hafiz Umar (World Digit. Libr., 2016)